Oklahoma
- City of Altus, Oklahoma – Lineman Apprentice
- Independent Electrical Contractors of Oklahoma City, OK (IEC OKC, Inc.) IEC'S ELECTRICAL APPRENTICE PROGRAM
- Insulators and Asbestos Workers Joint Apprenticeship Committee (IAJAC)
- Iron Workers Local 48 (Oklahoma City, OK)
- Iron Workers Union (Texas and the Mid-South) – Apprenticeships
- Local 669 Sprinkler Fitters Apprenticeship Opportunities
- National Sustainable Agriculture Information Service – Internship & Apprenticeship Details
- National Sustainable Agriculture Information Service – Sustainable Farming Internships and Apprenticeships – Oklahoma
- OK Career Planner – Training for a Construction Career
- Oklahoma Department of Commerce – Workforce Training – Training for Industry Program
- Oklahoma Employment Security Commission – Apprenticeship Opportunities
- Operating Engineers Local 627 Joint Apprenticeship and Training Program
- Plumbers & Pipefitters Local 344 Training Center
- Plumbers and Pipefitters Joint Apprenticeship and Training Program
- Sheet Metal Workers Joint Apprenticeship Committee of Western Oklahoma Local 124
- Sheet Metal Workers' Joint Apprenticeship Committee of Western Oklahoma
- Southwestern Line Constructors – Apprentice Lineman Job Description (Electrical Construction)
- United Association Plumbers & Pipefitters Local 344
- Western Oklahoma Electrical Joint Apprenticeship & Training Committee
